Question

A=(aij)1×3|aij=-1+1+2j​

Answer 1

$a_{ij}=-1+1+2j$

$a_{ij}=2j$

$a_{11}=2.1=2$

$a_{12}=2.2=4$

$a_{13}=2.3=6$

$A=\left[\begin{array}{ccc}2&4&6\end{array}\right]$